<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8">
	<title>头部style改变写在dom上面的style样式</title>
	<style type="text/css">
		div[style] {
		   background: yellow !important;
		}
	</style>
</head>
<body>
	<div style="background: red;">
	    The inline styles for this div should make it red.
	</div>
</body>
</html>